The answer for steel stud and semi-solid partition installations, saving time and money! It takes as little as 12 seconds installation time per 8' corner. Insures a smooth, flush corner. A sharp blow from the rubber mallet automatically drives the cornerbead on tighter and centers it for best joint compound distribution, and clinches it in position without nails or screws.
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov